chromeos: Refactor system tray ShowNetworkSettingsForGuid for mash

chrome/browser/ui/ash/system_tray_client.h

Index: chrome/browser/ui/ash/system_tray_client.h
diff --git a/chrome/browser/ui/ash/system_tray_client.h b/chrome/browser/ui/ash/system_tray_client.h
index 2c5787595e166d03324c427c7be49e9fda2ef982..9ae3ee01a6fcd8e8340c4f6cf3bdff8f453d6440 100644
--- a/chrome/browser/ui/ash/system_tray_client.h
+++ b/chrome/browser/ui/ash/system_tray_client.h
@@ -24,13 +24,6 @@ class SystemTrayClient : public ash::mojom::SystemTrayClient,
 
   static SystemTrayClient* Get();
 
- private:
-  // Connects or reconnects the |system_tray_| interface.
-  void ConnectToSystemTray();
-
-  // Handles errors on the |system_tray_| interface connection.
-  void OnClientConnectionError();
-
   // ash::mojom::SystemTrayClient:
   void ShowSettings() override;
   void ShowDateSettings() override;
@@ -44,11 +37,19 @@ class SystemTrayClient : public ash::mojom::SystemTrayClient,
   void ShowPaletteHelp() override;
   void ShowPaletteSettings() override;
   void ShowPublicAccountInfo() override;
+  void ShowNetworkSettings(const std::string& network_id) override;
   void ShowProxySettings() override;
 
+ private:
   // chromeos::system::SystemClockObserver:
   void OnSystemClockChanged(chromeos::system::SystemClock* clock) override;
 
+  // Connects or reconnects the |system_tray_| interface.
+  void ConnectToSystemTray();
+
+  // Handles errors on the |system_tray_| interface connection.
+  void OnClientConnectionError();
+
   // System tray mojo service in ash.
   ash::mojom::SystemTrayPtr system_tray_;